"""
Copyright (c) 2019-2020 Uber Technologies, Inc.

Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at

    http://www.apache.org/licenses/LICENSE-2.0

Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
"""

__author__ = "Alexandros Papangelis"

"""
KnowledgeBase is the abstract parent class for all KnowledgeBase classes and 
defines the interface that should be
followed.
"""


class KnowledgeBase:
    def __init__(self):
        """
        Initialize the internal structures of the Knowledge Base
        """
        pass
